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Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

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Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
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Pharmaceutical Poisoning: Potential Scenarios01:26

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Pharmaceutical poisoning can occur through various channels, impacting an estimated 2 million hospitalized patients in the U.S. annually with serious adverse drug responses. These scenarios encompass both therapeutic uses, such as drug toxicity, where even standard dosages can lead to severe central nervous system depression, and non-therapeutic exposures, including accidental ingestion by children, and environmental and occupational exposures.Unintentional poisonings often involve exploratory...
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Drug Dosing: Infants and Children01:29

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Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
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Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

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In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
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Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

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In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
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Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

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Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
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Pediatric Pharmaceutical Ingestions.

Jennifer A Lowry, Michele Burns, Diane P Calello

    Pediatric Annals
    |December 12, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Unsafe storage and misuse of adult prescription drugs lead to significant pediatric pharmaceutical exposures. Enhanced poison prevention education and vigilance are crucial to reduce these toxic drug ingestions in children and adolescents.

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    Area of Science:

    • Toxicology
    • Pediatric Medicine
    • Public Health

    Background:

    • Pharmaceutical ingestions are a major concern in pediatric toxicology.
    • Poison prevention education has not fully curbed drug exposures in children and adolescents.
    • Access to adult prescription medications at home is a primary source of unintentional and intentional ingestions.

    Purpose of the Study:

    • To analyze recent trends in pediatric pharmaceutical toxicology.
    • To highlight the ongoing challenges in poison prevention.
    • To increase awareness regarding common pharmaceutical exposures in children and adolescents.

    Main Methods:

    • Review of the 2015 Annual Report of the American Association of Poison Control Centers' National Poison Data System.
    • Analysis of recent epidemiology articles on pediatric toxicology.
    • Examination of common pharmaceutical exposure scenarios.

    Main Results:

    • Poison prevention efforts have not completely decreased toxic drug exposures.
    • Adult prescription drugs in the home are the leading cause of ingestions in young children (≤5 years) and adolescents (13-19 years).
    • Both unintentional ingestions (e.g., toddlers) and intentional ingestions (e.g., adolescents) contribute to the problem.

    Conclusions:

    • Despite educational initiatives, pharmaceutical ingestions remain a significant risk in pediatric populations.
    • Increased vigilance is necessary to address the persistent threat of accidental and intentional drug ingestions.
    • Focusing on safe storage of adult medications and addressing misuse are key to improving child safety.